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Exploring the Performance Monitor

The Windows Server 2008 Performance Monitor provides you with a visual tool for measuring the performance of your Windows server (you can also monitor other computers on the network). Performance Monitor looks at such hardware performance parameters as processor utilization, drive performance, and memory usage. Each item (such as the processor) that can be analyzed with the Performance Monitor is referred to as an object.

A performance data item that can be measured for a particular object is called a counter. For example, the processor (an object) has a number of counters that you can view, including the % Processor Time and the Interrupts/Sec counters.

Using counters to analyze the various performance aspects of a particular hardware component (an object) enables you to determine whether a piece of hardware on a server (such as the processor or hard drive) has become a bottleneck in terms of server performance.

The Performance Monitor can display the data as a graph (see Figure 24.3), a histogram (a horizontal or vertical bar graph format), or a report. You set the performance counters that are viewed in the Performance Monitor Details pane.

Figure 24.3. The Performance Monitor displays data as a graph.

[View full size image]

You select a particular object and then add the counters related to the object you want to monitor. The following section examines adding object counters.

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